h1 {
  margin-top: 250px;
  font-size: 50px;
  color: rgb(232, 173, 100);
  font-family: '方正舒体';
  text-align: center;
}

.iconfont {
  font-size: 35px;
}

h1>a {
  text-decoration: none;
  color: rgb(236, 178, 108);
}

main {
  margin-left: 15%;
}

.first-part {
  margin-top: 150px;
}

h3 {
  font-family: '方正舒体';
  font-size: 40px;
  color: rgb(100, 146, 232);
  margin-bottom: 70px;
}

.first-part .box {
  margin-top: 50px;
  margin-left: 10%;
}

.second-part h4 {
  font-family: '方正舒体';
  font-size: 30px;
  margin-left: 4em;
  color: rgb(60, 176, 137);
}

.second-part .div1 img {
  width: 300px;
  height: 150px;
  opacity: 0.8;
}

.second-part .div1 {
  display: inline-block;
  position: relative;
  margin-bottom: 60px;
}

.second-part .div1 i {
  color: #ff0000;
  border-radius: 50%;
  font-size: 30px;
}

.yongzhe .div1 {
  margin-right: 2%;
  margin-left: 5%;
}

.shishi .div1 {
  margin-left: 15%;
  margin-right: 7%;
}

.chuanshuo .div1 {
  margin-left: 15%;
  margin-right: 7%;
}

.second-part .div1 p {
  opacity: 0;
  position: absolute;
  bottom: -60px;
}

.second-part .div1 p.active {
  opacity: 1;
  width: 300px;
  height: 50px;
  line-height: 1.7em;
  text-align: center;
  background-color: rgba(207, 173, 47, 0.717);
  color: rgb(169, 68, 32);
}

.second-part .div2 {
  width: 400px;
  height: 300px;
  background-color: brown;
  margin-left: 40%;
  transform: translateX(-50%);
  margin-bottom: 100px;
}

.second-part .div2 img {
  width: 400px;
  height: 230px;
}

.second-part .div2 {
  position: relative;
}

.second-part .div2 i {
  position: absolute;
  bottom: 1px;
  right: -40px;
  color: #ff0000;
  border-radius: 50%;
  font-size: 30px;
}

.second-part .div2 p {
  margin: 0;
  text-align: center;
  color: whitesmoke;
  font-size: 20px;
}

.third-part p {
  font-size: 30px;
  margin-left: 8%;
  color: #c75050;
  font-family: '华文行楷';
}

.third-part p i {
  font-family: '华文行楷';
  font-size: 50px;
}

table {
  border-collapse: collapse;
  width: 700px;
  text-align: center;
  border: 2px solid red;
  margin-left: 5%;
}

th {
  background-color: rgb(211, 141, 12);
  font-size: 25px;
  font-family: '华文行楷';
  color: #321919;
  border: 2px solid red;
}

td:first-child,
td:last-child {
  width: 70px;
}

td {
  border: 2px solid #ff0000;
  color: #404060;
  padding: 20px;
}

td>a {
  text-decoration: none;
  color: #404060;
}